List of Hot 100 number-one singles of 2009 (Brazil)
# List of Hot 100 number-one singles of 2009 (Brazil)

This is a list of number one singles on the Billboard Brazil Hot 100 chart in 2009. Note that Billboard publishes a monthly chart. The first number-one single on the chart was "Halo" by Beyoncé.

## Chart history

| Issue date | Song | Artist(s) |
| - | - | - |
| October | "Halo" | Beyoncé |
| November | "Halo" | Beyoncé |
| December | "I Want to Know What Love Is" | Mariah Carey |
